Modulewizards-1.0.3Haskell98

System.Console.Wizard.Pure

3 types
1 value

Packagewizards-1.0.3
Exports4
LanguageHaskell98
LicenceBSD-3-Clause
SourcePure.hs

newtypenewtype Pure a

The Pure backend supports only simple input and output. Support for Password and LinePrewritten features can be added with a shim from System.Console.Wizard.Shim.

Instances6Functor, :<:, Run

Functor PureDefined in wizards-1.0.3 · System.Console.Wizard.Pure
Character :<: PureDefined in wizards-1.0.3 · System.Console.Wizard.Pure
Line :<: PureDefined in wizards-1.0.3 · System.Console.Wizard.Pure
Output :<: PureDefined in wizards-1.0.3 · System.Console.Wizard.Pure
OutputLn :<: PureDefined in wizards-1.0.3 · System.Console.Wizard.Pure
Run (State PureState) PureDefined in wizards-1.0.3 · System.Console.Wizard.Pure

datadata UnexpectedEOI

Thrown if the wizard ever unexpectedly runs out of input.

UnexpectedEOI

Instances2Show, Exception

Show UnexpectedEOIDefined in wizards-1.0.3 · System.Console.Wizard.Pure
Exception UnexpectedEOIDefined in wizards-1.0.3 · System.Console.Wizard.Pure

valuerunPure :: Wizard Pure a -> String -> (Maybe a, String)

Run a wizard in the Pure backend

typetype PureState = ([String], Seq Char)

The pure backend is actually just a simple state monad, with the following state.

Orphan instances

4 instances